Jaffe, E. D., & Hilbert, S. (2001). Barron's GMAT: How to prepare for the Graduate Management Admission Test (12th ed.). Barron's.
Chicago Style (17. basım) AtıfJaffe, Eugene D., ve Stephen Hilbert. Barron's GMAT: How to Prepare for the Graduate Management Admission Test. 12th ed. Hauppauge, N.Y: Barron's, 2001.
MLA (9th ed.) AtıfJaffe, Eugene D., ve Stephen Hilbert. Barron's GMAT: How to Prepare for the Graduate Management Admission Test. 12th ed. Barron's, 2001.
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